From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 40F273D4111; Wed, 21 Jan 2026 18:35:36 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769020536; cv=none; b=pP97tcFHwvZzIrKm/8ExGUHt3ZRsQxY25c4FTsonD1J5KabfuGTBVl/7m84cS+wTIZ2QM/eC5Ua1mfsvN0DqEsP+Cjpdw5SnrE70x42kUjj4ADS5zKqtWKzcFsWJnZ/ODgTF0RE/ln/gTbTG50I6j5DBVUuQc+rtbvIrIbyo3VU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769020536; c=relaxed/simple; bh=qhdoHBjkx6DVtOFeN2BPuKgZ3mRDQMDGfB4/NV3IhwA=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=eBVF39gH2DdeBmTvlf9mwsfPvdPjwjArdUgXTANc72Kh3B/Fcge5oFTN4kJPQcrV1AhgBkqTZ/SloxbxR37lQErDv8hTaxeQcUVUEDmoMANR+vhiAxabIpF22R3t35vlURbDFmkuH75Z/mXNJdlMV8MB/mR6rVaOaq9CqobT9wc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=KZ3vp+fm; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="KZ3vp+fm" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 77B3FC4CEF1; Wed, 21 Jan 2026 18:35:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1769020536; bh=qhdoHBjkx6DVtOFeN2BPuKgZ3mRDQMDGfB4/NV3IhwA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=KZ3vp+fmorxKldOskhs50FHV1v/2HPYJ5eYUYdk0ct1SQPN4rUjAb60HQEYNDKhaY bEiZz+r9osmIR894yUSr1JUTs8eVczgkx94XLvcK6i4XS0F5md8aUp31htHX2FHEs3 MyHj3Jn63GOk5k5g/Xv3hbjxw0UhBtt7LmdWZtLY= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Lu Baolu , Jason Gunthorpe , David Hildenbrand , "Mike Rapoport (Microsoft)" , Alistair Popple , Andy Lutomirski , Borislav Betkov , Dave Hansen , Ingo Molnar , Jann Horn , Jean-Philippe Brucker , Joerg Roedel , Kevin Tian , Liam Howlett , Lorenzo Stoakes , "Matthew Wilcox (Oracle)" , Michal Hocko , Peter Zijlstra , Robin Murohy , Thomas Gleinxer , "Uladzislau Rezki (Sony)" , Vasant Hegde , Vinicius Costa Gomes , Vlastimil Babka , Will Deacon , Yi Lai , Andrew Morton Subject: [PATCH 6.18 188/198] x86/mm: use pagetable_free() Date: Wed, 21 Jan 2026 19:16:56 +0100 Message-ID: <20260121181425.323370020@linuxfoundation.org> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20260121181418.537774329@linuxfoundation.org> References: <20260121181418.537774329@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.18-stable review patch. If anyone has any objections, please let me know. ------------------ From: Lu Baolu commit bf9e4e30f3538391745a99bc2268ec4f5e4a401e upstream. The kernel's memory management subsystem provides a dedicated interface, pagetable_free(), for freeing page table pages. Updates two call sites to use pagetable_free() instead of the lower-level __free_page() or free_pages(). This improves code consistency and clarity, and ensures the correct freeing mechanism is used. Link: https://lkml.kernel.org/r/20251022082635.2462433-7-baolu.lu@linux.intel.com Signed-off-by: Lu Baolu Reviewed-by: Jason Gunthorpe Acked-by: David Hildenbrand Acked-by: Mike Rapoport (Microsoft) Cc: Alistair Popple Cc: Andy Lutomirski Cc: Borislav Betkov Cc: Dave Hansen Cc: Ingo Molnar Cc: Jann Horn Cc: Jean-Philippe Brucker Cc: Joerg Roedel Cc: Kevin Tian Cc: Liam Howlett Cc: Lorenzo Stoakes Cc: Matthew Wilcox (Oracle) Cc: Michal Hocko Cc: Peter Zijlstra Cc: Robin Murohy Cc: Thomas Gleinxer Cc: "Uladzislau Rezki (Sony)" Cc: Vasant Hegde Cc: Vinicius Costa Gomes Cc: Vlastimil Babka Cc: Will Deacon Cc: Yi Lai Signed-off-by: Andrew Morton Signed-off-by: Greg Kroah-Hartman --- arch/x86/mm/init_64.c | 2 +- arch/x86/mm/pat/set_memory.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) --- a/arch/x86/mm/init_64.c +++ b/arch/x86/mm/init_64.c @@ -1031,7 +1031,7 @@ static void __meminit free_pagetable(str free_reserved_pages(page, nr_pages); #endif } else { - __free_pages(page, order); + pagetable_free(page_ptdesc(page)); } } --- a/arch/x86/mm/pat/set_memory.c +++ b/arch/x86/mm/pat/set_memory.c @@ -429,7 +429,7 @@ static void cpa_collapse_large_pages(str list_for_each_entry_safe(ptdesc, tmp, &pgtables, pt_list) { list_del(&ptdesc->pt_list); - __free_page(ptdesc_page(ptdesc)); + pagetable_free(ptdesc); } }